public class Student extends Person{
    private int id;
    private double score;
    public  Student(String name,int age,int id,double score){
        super(name,age);
        this.id=id;
        this.score=score;
    }
    @Override
    public String say(){
        return super.say()+",id="+id+",score="+score;

    }

    public int getId(){
        return id;
    }
    public double getScore(){
        return score;
    }
}
